TY  - JOUR
TI  - The 9-th Conference of the Tournament of Towns
JO  - Matematičeskoe obrazovanie
PY  - 1997
SP  - 113
EP  - 127
IS  - 2
UR  - http://geodesic.mathdoc.fr/item/MO_1997_2_a9/
LA  - ru
ID  - MO_1997_2_a9
ER  -